fix: handle headers that start with numbers (fix #121)

vuejs · Apr 18, 2018 · ad83169 · ad83169
1 parent 5f7e199
commit ad83169
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/lib/markdown/slugify.js b/lib/markdown/slugify.js
@@ -15,6 +15,8 @@ module.exports = function slugify (str) {
     .replace(/\-{2,}/g, '-')
     // Remove prefixing and trailing separtors
     .replace(/^\-+|\-+$/g, '')
+    // ensure it doesn't start with a number (#121)
+    .replace(/^(\d)/, '_$1')
     // lowercase
     .toLowerCase()
 }